

 body,h1,h2,h3,ul,ol,p,figure{
 /* 去掉间距和填充，上下 */
     margin:0;
     padding:0;
 }
 ul,ol{
     list-style:outside none none;/*将li,ol前的小黑点,序号去掉*/

 }
 a{

     text-decoration:none;
 }
 .none{
     display:none;

 }
 #header {
     width:100%;
     min-width:1263px;
     height:70px;
     background-color:#333;
     box-shadow:0 11px 10px rgba(0,0,0,0.3);
     position:relative;
     index:9999;
 }
 #header .center{
     width:1263px;
     height:70px;
     margin:0 auto;
 }
 #header .logo{
     width:273px;
     height:70px;
     background-image:url(a.png);
     text-indent:-999px;/*为了搜索引擎搜关键字，保留所以隐藏关键字*/
     float:left;
 }



 .footer {
     width:100%;
     height:360px;
     background-color:#222;
     margin:0 auto;
     text-align:center;
 }
 .top{
     width:1100px;
     height:280px;
     margin:0 auto;
     text-align:center;
 }

 .block{
     width:320px;
     height:270px;
     display:inline-block;
     text-align:left;
     color:#ccc;
     vertical-align:top;/*公共样式强制居顶*/
 }
 .footer	 h3{
     font-size:24px;
     font-weight:normal;
     padding:10px 0 0 20px;/*上左空20个*/

 }
 .footer hr{
     border:1px dashed #333;/*横线格式*/
 }
 .footer ul{
     font-size:18px;
     color:#777;
     text-indent:20px;/*首行缩进20*/
     line-height:2;/*高间距*/
 }
 .bottom{
     background-color:#000;
     height:90px;
     line-height:80px;
     text-align:center;
     color:#777;
     border-top:1px solid #444;/*1px的线，颜色*/
 }
